Amazon offers the Skullcandy Hesh 2 Brooklyn Nets Stereo Headphones in $29.99 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $6.75.) That's the lowest total price we could find by $15, outside of the mention below. They feature 50mm drivers, a detachable cable, satin travel bag, and inline microphone.
Don't like the Nets? Yugster offers them in four colors for $26.97 after coupon code "FreeYugBuck" plus $5 for shipping.